Water Gardening: Flirtations with Filtration, 1 by BogweedBuck

BogweedBuck wrote:
Oh ... the important part: getting rid of 5,000gph of water!

I used the same drill bit / hole cutter to set 6 two inch holes in the lip of the pond liner. There are these PVC pipe connector things that I inserted through each hole. The unthreaded side of these fittings is smooth (usually to attach some 2" PVC pipes). I pushed the threaded side through the rubber liner that would ultimately go up the back of the waterfall and then through the hard shell liner. I then placed a rubber washer over threaded part and then screwed the "cap" into place, thereby creating a secure, leak-proof fit. Here's where all that water exits the waterfall basin: